backtrace can't show the name of the file

zhu shi song <[email protected]>
Newsgroups gmane.comp.mobile.kannel.devel
Message-ID <[email protected]>
who has used backtrace function?  I test it on Redhat 7.0 gcc version is 2.95.3.  When panic, backtrace just show hex address and can't see any file name?  
LD flag -rdynamic has passed to GCC.  what's the problem?
thanks
zhu

 
		
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